Technical report 1947    part III - geodetic work 

 - Dehradun  Surveyor General of India  1948 
 - 139p.  figs, maps, refs 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geodetic WorkHarmonic AnalysisHarminic AnalysisMagnetic Field WorkTopographical Triangulation
<br/><br/><label>Universal Decimal Class. No.: </label>528.3  / IND